package com.work.demo.rabbitmq.workqueue;


import com.work.demo.rabbitmq.utils.RabbitConstant;
import com.work.demo.rabbitmq.utils.RabbitUtils;
import com.rabbitmq.client.*;

import java.io.IOException;

/**
 * @author 白起老师
 * 消费者
 */
public class SMSSender2 {

	public static void main(String[] args) throws IOException {


		Connection connection = RabbitUtils.getConnection();
		final Channel channel = connection.createChannel();

		channel.queueDeclare(RabbitConstant.QUEUE_SMS, false, false, false, null);

		//如果不写basicQos（1），则自动MQ会将所有请求平均发送给所有消费者
		//basicQos,MQ不再对消费者一次发送多个请求，而是消费者处理完一个消息后（确认后），在从队列中获取一个新的
		channel.basicQos(1);//处理完一个取一个

		channel.basicConsume(RabbitConstant.QUEUE_SMS, false, new DefaultConsumer(channel) {
			@Override
			public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
				String jsonSMS = new String(body);
				System.out.println("SMSSender2-短信发送成功:" + jsonSMS);

				try {
					Thread.sleep(100);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}

				channel.basicAck(envelope.getDeliveryTag(), false);
			}
		});
	}
}
